KR20030066433A - 디지털 컨텐츠 관리장치 및 디지털 컨텐츠 관리프로그램 - Google Patents

디지털 컨텐츠 관리장치 및 디지털 컨텐츠 관리프로그램 Download PDF

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Publication number
KR20030066433A
KR20030066433A KR10-2003-0006663A KR20030006663A KR20030066433A KR 20030066433 A KR20030066433 A KR 20030066433A KR 20030006663 A KR20030006663 A KR 20030006663A KR 20030066433 A KR20030066433 A KR 20030066433A
Authority
KR
South Korea
Prior art keywords
digital content
recording
management information
unit
identification information
Prior art date
Application number
KR10-2003-0006663A
Other languages
English (en)
Korean (ko)
Inventor
이토요시카츠
무라세가오루
Original Assignee
마츠시타 덴끼 산교 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 마츠시타 덴끼 산교 가부시키가이샤 filed Critical 마츠시타 덴끼 산교 가부시키가이샤
Publication of KR20030066433A publication Critical patent/KR20030066433A/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00557—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42661—Internal components of the client ; Characteristics thereof for reading from or writing on a magnetic storage medium, e.g. hard disk drive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR10-2003-0006663A 2002-02-04 2003-02-04 디지털 컨텐츠 관리장치 및 디지털 컨텐츠 관리프로그램 KR20030066433A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002027138A JP4139114B2 (ja) 2002-02-04 2002-02-04 デジタルコンテンツ管理装置およびデジタルコンテンツ管理プログラム
JPJP-P-2002-00027138 2002-02-04

Publications (1)

Publication Number Publication Date
KR20030066433A true KR20030066433A (ko) 2003-08-09

Family

ID=19192392

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2003-0006663A KR20030066433A (ko) 2002-02-04 2003-02-04 디지털 컨텐츠 관리장치 및 디지털 컨텐츠 관리프로그램

Country Status (5)

Country Link
US (1) US20030149886A1 (de)
EP (1) EP1333674A3 (de)
JP (1) JP4139114B2 (de)
KR (1) KR20030066433A (de)
CN (1) CN1437170A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7788728B2 (en) 2004-01-08 2010-08-31 Samsung Electronics Co., Ltd. Method and apparatus for limiting number of times contents can be accessed using hash chain

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3993879B2 (ja) * 2003-03-11 2007-10-17 松下電器産業株式会社 データ放送再生制御装置、データ放送再生制御方法、データ放送再生制御プログラムおよびそれを記録した記録媒体
JP4385099B2 (ja) * 2003-12-03 2009-12-16 株式会社日立製作所 放送受信装置及びストリーム出力装置
JP4431374B2 (ja) 2003-12-04 2010-03-10 株式会社日立製作所 記録方法、記録装置及び受信装置
WO2005075542A1 (en) 2004-02-02 2005-08-18 Dow Corning Corporation Mq-t propyl siloxane resins
KR101158690B1 (ko) 2004-02-02 2012-06-22 다우 코닝 코포레이션 Ｍｑ 및 ｔ-프로필 실록산 수지 조성물
EP1729221A1 (de) 2004-03-23 2006-12-06 Matsushita Electric Industrial Co., Ltd. Inhaltsbewegungseinrichtung, inhaltsbewegungsverfahren, computerprogramm, aufzeichnungsmedium und inhaltsbewegungssystem
JP2005276282A (ja) 2004-03-24 2005-10-06 Sony Corp 情報記録再生装置、コンテンツ管理方法およびコンテンツ管理プログラム
WO2005103906A1 (ja) 2004-04-20 2005-11-03 Matsushita Electric Industrial Co., Ltd. 記録再生装置、およびコンテンツデータ保護システム
EP1764696A4 (de) 2004-04-21 2011-08-10 Panasonic Corp Aufzeichnungseinrichtung, aufzeichnungsmedium und inhaltsschutzsystem
CN100463063C (zh) * 2004-07-02 2009-02-18 上海乐金广电电子有限公司 光盘装置中的用户选项信息的传送以及记录方法
CN101814310B (zh) 2004-07-22 2012-11-28 松下电器产业株式会社 重放装置和重放方法
US20070239948A1 (en) * 2004-12-17 2007-10-11 Kenji Muraki Data processor
JP4258473B2 (ja) * 2005-01-31 2009-04-30 ブラザー工業株式会社 サーバ装置及びコンテンツ提供システム
US8321686B2 (en) 2005-02-07 2012-11-27 Sandisk Technologies Inc. Secure memory card with life cycle phases
US8108691B2 (en) 2005-02-07 2012-01-31 Sandisk Technologies Inc. Methods used in a secure memory card with life cycle phases
US8423788B2 (en) 2005-02-07 2013-04-16 Sandisk Technologies Inc. Secure memory card with life cycle phases
US20060212721A1 (en) * 2005-03-21 2006-09-21 Sehat Sutardja DVD system for distributing protected content
US8683080B2 (en) 2005-03-21 2014-03-25 Marvell World Trade Ltd. Network system for distributing protected content
US7748031B2 (en) 2005-07-08 2010-06-29 Sandisk Corporation Mass storage device with automated credentials loading
US20070022228A1 (en) * 2005-07-22 2007-01-25 Hicks Allison W Method to create expandable storage using serial ATA HDD
US20070061597A1 (en) * 2005-09-14 2007-03-15 Micky Holtzman Secure yet flexible system architecture for secure devices with flash mass storage memory
US8966284B2 (en) 2005-09-14 2015-02-24 Sandisk Technologies Inc. Hardware driver integrity check of memory card controller firmware
JP2007199890A (ja) * 2006-01-25 2007-08-09 Sony Corp コンテンツ伝送システム、コンテンツ伝送装置及びコンテンツ伝送方法、並びにコンピュータ・プログラム
EP1855223A1 (de) * 2006-05-12 2007-11-14 Telefonaktiebolaget LM Ericsson (publ) Ausweitung des DRM-Bereichs auf externe Vorrichtungen
US20080052524A1 (en) * 2006-08-24 2008-02-28 Yoram Cedar Reader for one time password generating device
US20080072058A1 (en) * 2006-08-24 2008-03-20 Yoram Cedar Methods in a reader for one time password generating device
JP4876793B2 (ja) * 2006-08-29 2012-02-15 富士ゼロックス株式会社 データ保管装置及びプログラム
US8423794B2 (en) 2006-12-28 2013-04-16 Sandisk Technologies Inc. Method and apparatus for upgrading a memory card that has security mechanisms for preventing copying of secure content and applications
TWI451740B (zh) * 2008-09-24 2014-09-01 Shrisinha Technology Corp Hardware Password Verification Method and Its System
CN104184645B (zh) 2013-05-27 2018-05-04 华为技术有限公司 一种生成操作请求的方法、设备及系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6542610B2 (en) * 1997-01-30 2003-04-01 Intel Corporation Content protection for digital transmission systems
US5949877A (en) * 1997-01-30 1999-09-07 Intel Corporation Content protection for transmission systems
EP0984346A1 (de) * 1998-09-02 2000-03-08 Hitachi Europe Limited Kopierschutzverfahren und -vorrichtung
WO2000026910A1 (fr) * 1998-11-02 2000-05-11 Matsushita Electric Industrial Co., Ltd. Appareil d'enregistrement / reproduction, support de programme enregistre, support enregistre, antememoire et emetteur
KR100632495B1 (ko) * 1999-02-17 2006-10-09 소니 가부시끼 가이샤 정보처리장치 및 방법과 프로그램 격납매체
CN100356475C (zh) * 1999-02-26 2007-12-19 日本胜利株式会社 信息重放方法
JP4779183B2 (ja) * 1999-03-26 2011-09-28 ソニー株式会社 再生装置および再生方法
TW529267B (en) * 1999-03-15 2003-04-21 Sony Corp Data processing system and method for mutual identification between apparatuses
MY123388A (en) * 1999-03-15 2006-05-31 Sony Corp Processing method and apparatus for encrypted data transfer
JP2001118332A (ja) * 1999-10-20 2001-04-27 Sony Corp データ配信システムとその方法、データ処理装置、データ使用制御装置および配信用データが記録された機械読み取り可能な記録媒体
US7457414B1 (en) * 2000-07-21 2008-11-25 The Directv Group, Inc. Super encrypted storage and retrieval of media programs with smartcard generated keys
JP4595182B2 (ja) * 2000-09-07 2010-12-08 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
JP4281252B2 (ja) * 2001-01-16 2009-06-17 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム記憶媒体
JP4957936B2 (ja) * 2001-03-16 2012-06-20 ソニー株式会社 コンテンツ信号再生装置、コンテンツ信号再生方法
JP4934923B2 (ja) * 2001-08-09 2012-05-23 ソニー株式会社 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにコンピュータ・プログラム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7788728B2 (en) 2004-01-08 2010-08-31 Samsung Electronics Co., Ltd. Method and apparatus for limiting number of times contents can be accessed using hash chain

Also Published As

Publication number Publication date
EP1333674A2 (de) 2003-08-06
JP2003228522A (ja) 2003-08-15
CN1437170A (zh) 2003-08-20
EP1333674A3 (de) 2006-12-27
US20030149886A1 (en) 2003-08-07
JP4139114B2 (ja) 2008-08-27

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